The main clutch is an advanced type of centrifugal clutch and is typically mounted to the output close of the engine crankshaft. The clutch has two sheave faces; one that is laterally fixed (stationary sheave), and one that can transfer in and out to interact the belt (moveable sheave). https://marcorrqol.vidublog.com/31486194/detailed-notes-on-gearbox-cvt